Tour part of the Maginot Line bunker system built to defend France against a German invasion.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

A remnant of the Franco-Prussian War, lodged in the city's walls.

This fascinating museum in an old water tower holds the world's largest collection of Vodou artifacts from western and central Africa.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

This artistic fountain display pays homage to this area's theatrical history.

An unassuming Swiss institution houses Europe's largest toy museum.

The smallest museum in Basel, Switzerland, is a two-foot-by-two-foot window in the door of a 600-year-old house.

The most impressive of Basel's three remaining city gates.

A journey through every aspect of the human body.

A futuristic rocket marks the spot where three borders meet.

A town that sets itself apart with supersized designer seating.

A geothermal energy project gone wrong is fracturing the city's picturesque architecture.

A unique showroom for bathroom fixtures featuring a giant toilet observation deck.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

A series of haunting wooden totems are hidden in the woods surrounding a German environmental center.

A horse statue that receives constant makeovers from graffiti artists and locals.

Located in a heritage building, this Mickey D's is missing its Golden Arches.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Local legend of a lurking canal crocodile takes on a life of its own with this sculpture.